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Finding the Fourth Proportional to 261,346.55, 360,768.33 and 176,578.43

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Solution

The fourth proportional to 261,346.55, 360,768.33 and 176,578.43 is: 243,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,346.55 : 360,768.33 = 176,578.43 : x
  2. Step 2: Convert to fraction form
    261,346.55/360,768.33 = 176,578.43/x
  3. Step 3: Cross multiply
    261,346.55x = 360,768.33 × 176,578.43
  4. Step 4: Simplify right side
    261,346.55x = 63,703,903,501.28
  5. Step 5: Solve for x
    x = 63,703,903,501.28/261,346.55
  6. Step 6: Final answer
    x = 243,752.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.